igt@i915_selftest@mock@requests - incomplete - GEM_BUG_ON(ce->timeline->seqno !
<0> [890.478267] <...>-1447 2..... 796913673us : __engine_unpark: __engine_unpark:72 GEM_BUG_ON(ce->timeline->seqno != ({ do { __attribute__((__noreturn__)) extern void __compiletime_assert_890(void) __attribute__((__error__("Unsupported access size for {READ,WRITE}_ONCE()."))); if (!((sizeof(*ce->timeline->hwsp_seqno) == sizeof(char) || sizeof(*ce->timeline->hwsp_seqno) == sizeof(short) || sizeof(*ce->timeline->hwsp_seqno) == sizeof(int) || sizeof(*ce->timeline->hwsp_seqno) == sizeof(long)) || sizeof(*ce->timeline->hwsp_seqno) == sizeof(long long))) __compiletime_assert_890(); } while (0); (*(const volatile typeof( _Generic((*ce->timeline->hwsp_seqno), char: (char)0, unsigned char: (unsigned char)0, signed char: (signed char)0, unsigned short: (unsigned short)0, signed short: (signed short)0, unsigned int: (unsigned int)0, signed int: (signed int)0, unsigned long: (unsigned long)0, signed long: (signed long)0, unsigned long long: (unsigned long long)0, signed long long: (signed long
<0> [890.478304] ---------------------------------
<3> [890.481397] rcu: INFO: rcu_preempt self-detected stall on CPU
<3> [890.481776] rcu: 2-...!: (31 ticks this GP) idle=92d/1/0x4000000000000000 softirq=150252/150253 fqs=0
<4> [890.484327] (t=92093 jiffies g=284749 q=652)
<4> [890.484362] NMI backtrace for cpu 2
<4> [890.484386] CPU: 2 PID: 1447 Comm: igt/0 Tainted: G U 5.16.0-rc6-CI-CI_DRM_11024+ #1
<4> [890.484423] Hardware name: Google Caroline/Caroline, BIOS MrChromebox 08/27/2018
<4> [890.484448] Call Trace:
<4> [890.484469] <IRQ>
<4> [890.484500] dump_stack_lvl+0x56/0x7b
<4> [890.484559] nmi_cpu_backtrace.cold.6+0x30/0x86
<4> [890.484608] ? lapic_can_unplug_cpu+0x70/0x70
<4> [890.484664] nmi_trigger_cpumask_backtrace+0xc9/0xe0
<4> [890.484721] rcu_dump_cpu_stacks+0xc5/0x140
<4> [890.484780] rcu_sched_clock_irq.cold.104+0x63/0x388
<4> [890.484819] ? find_held_lock+0x2d/0x90
<4> [890.484959] ? tick_sched_do_timer+0x40/0x40
<4> [890.484990] update_process_times+0x8e/0xc0
<4> [890.485025] tick_sched_timer+0x6a/0x80
<4> [890.485071] __hrtimer_run_queues+0x1c9/0x4a0
<4> [890.485168] hrtimer_interrupt+0x105/0x220
<4> [890.485255] __sysvec_apic_timer_interrupt+0x91/0x260
<4> [890.485289] sysvec_apic_timer_interrupt+0x85/0xb0
<4> [890.485326] </IRQ>
<4> [890.485339] <TASK>
<4> [890.485363] asm_sysvec_apic_timer_interrupt+0x12/0x20
<4> [890.485393] RIP: 0010:preempt_schedule_irq+0x46/0x60
<4> [890.485420] Code: e8 cf cb 60 ff 65 48 8b 04 25 80 af 01 00 48 8b 00 a8 08 74 29 bf 01 00 00 00 e8 a5 d6 60 ff e8 c0 67 6d ff fb bf 01 00 00 00 <e8> c5 f0 ff ff 9c 58 fa f6 c4 02 74 c4 e8 58 64 6d ff eb bd c3 0f
<4> [890.485443] RSP: 0018:ffffc9000036bbb8 EFLAGS: 00000202
<4> [890.485476] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000006
<4> [890.485494] RDX: 0000000000000000 RSI: ffffffff82390d67 RDI: 0000000000000001
<4> [890.485511] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
<4> [890.485527] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
<4> [890.485543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
<4> [890.485674] ? preempt_schedule_irq+0x40/0x60
<4> [890.485695] irqentry_exit+0x31/0x80
<4> [890.485723] asm_sysvec_reschedule_ipi+0x12/0x20
<4> [890.485751] RIP: 0010:ftrace_dump+0x146/0x1d0
<4> [890.485781] Code: 01 48 89 de 89 c7 e8 99 55 41 00 44 39 f0 72 d1 f0 ff 0d 6d eb d9 02 4d 85 ed 75 54 9c 58 f6 c4 02 75 66 4d 85 ed 74 01 fb 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 41 83 fc 02 75 56 65 8b 05 6b 83 e6
<4> [890.485801] RSP: 0018:ffffc9000036bc78 EFLAGS: 00000206
<4> [890.485829] RAX: 0000000000000006 RBX: ffff888169070040 RCX: 0000000000000006
<4> [890.485846] RDX: 0000000000000000 RSI: ffffffff82390d67 RDI: ffffffff82333a1f
<4> [890.485862] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
<4> [890.485877] R10: 0000000000b151f8 R11: ffffc9000036ba90 R12: ffffffff83f4ad00
<4> [890.485894] R13: 0000000000000200 R14: 0000000000000004 R15: 0000000000000000
<4> [890.486060] __engine_unpark+0x201/0x210 [i915]
<4> [890.487205] __intel_wakeref_get_first+0x46/0xb0 [i915]
<4> [890.488289] i915_active_acquire_preallocate_barrier+0x31c/0x520 [i915]
<4> [890.489602] __intel_context_do_pin_ww+0x862/0x9e0 [i915]
<4> [890.490750] intel_context_create_request+0x159/0x1c0 [i915]
<4> [890.491882] ? 0xffffffffa0000000
<4> [890.491948] __mock_request_alloc+0x5/0x20 [i915]
<4> [890.493200] __igt_breadcrumbs_smoketest+0x24f/0x6e0 [i915]
<4> [890.494525] ? _raw_spin_unlock_irqrestore+0x3d/0x60
<4> [890.494590] ? i915_request_add+0x270/0x270 [i915]
<4> [890.495852] kthread+0x170/0x1a0
<4> [890.495882] ? set_kthread_struct+0x40/0x40
<4> [890.495930] ret_from_fork+0x22/0x30
<4> [890.496072] </TASK>
<4> [890.500926] ------------[ cut here ]------------
<2> [890.500962] kernel BUG at drivers/gpu/drm/i915/gt/intel_engine_pm.c:72!
<4> [890.501603] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [890.501674] CPU: 2 PID: 1447 Comm: igt/0 Tainted: G U W 5.16.0-rc6-CI-CI_DRM_11024+ #1
<4> [890.501771] Hardware name: Google Caroline/Caroline, BIOS MrChromebox 08/27/2018
<4> [890.501842] RIP: 0010:__engine_unpark+0x20d/0x210 [i915]
<4> [890.503208] Code: 00 48 c7 c2 70 10 58 a0 48 c7 c7 e2 67 38 a0 e8 99 99 e2 e0 bf 01 00 00 00 e8 8f 68 e2 e0 31 f6 bf 09 00 00 00 e8 03 a8 d2 e0 <0f> 0b 90 41 57 41 56 41 55 41 54 4c 8d a7 78 fe ff ff 55 48 89 fd
<4> [890.503368] RSP: 0018:ffffc9000036bca8 EFLAGS: 00010246
<4> [890.503434] RAX: 0000000000000240 RBX: ffff888169070040 RCX: 0000000000000006
<4> [890.503508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
<4> [890.503577] RBP: ffffc9000036bcc8 R08: 0000000000000001 R09: 0000000000000001
<4> [890.503645] R10: 0000000000b151f8 R11: ffffc9000036ba90 R12: ffff888115e00000
<4> [890.503712] R13: ffff8881145ac740 R14: ffff888115e00188 R15: ffff888115e00188
<4> [890.503781] FS: 0000000000000000(0000) GS:ffff88817a900000(0000) knlGS:0000000000000000
<4> [890.503862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [890.503923] CR2: 00007fb4c63fd240 CR3: 0000000116c88006 CR4: 00000000003706e0
<4> [890.503992] Call Trace:
<4> [890.504027] <TASK>
<4> [890.504066] __intel_wakeref_get_first+0x46/0xb0 [i915]
<4> [890.505371] i915_active_acquire_preallocate_barrier+0x31c/0x520 [i915]
<4> [890.506949] __intel_context_do_pin_ww+0x862/0x9e0 [i915]
<4> [890.508298] intel_context_create_request+0x159/0x1c0 [i915]
<4> [890.509616] ? 0xffffffffa0000000
<4> [890.509672] __mock_request_alloc+0x5/0x20 [i915]
<4> [890.511213] __igt_breadcrumbs_smoketest+0x24f/0x6e0 [i915]
<4> [890.512765] ? _raw_spin_unlock_irqrestore+0x3d/0x60
<4> [890.512849] ? i915_request_add+0x270/0x270 [i915]
<4> [890.514367] kthread+0x170/0x1a0
<4> [890.514424] ? set_kthread_struct+0x40/0x40
<4> [890.514487] ret_from_fork+0x22/0x30
<4> [890.514567] </TASK>
<4> [890.514600] Modules linked in: i915(+) drm_kms_helper vgem drm_shmem_helper drm_ttm_helper gpu_sched fuse snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btusb snd_intel_dspcfg cdc_ether snd_hda_codec btrtl usbnet btbcm snd_hwdep btintel snd_hda_core r8152 bluetooth snd_pcm mii i2c_i801 ecdh_generic ecc i2c_smbus ttm syscopyarea pinctrl_sunrisepoint sysfillrect sysimgblt fb_sys_fops prime_numbers intel_lpss_pci [last unloaded: i915]
<4> [890.515294] ---[ end trace 252fed8a8cbe61cd ]---